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The IQ scores of 50 students are given below. 97 96 95 106 95 103 93 103 102 111 101 98 85 101 99 90
The IQ scores of 50 students are given below.
97 | 96 | 95 | 106 | 95 | 103 | 93 | 103 | 102 | 111 |
101 | 98 | 85 | 101 | 99 | 90 | 114 | 111 | 91 | 97 |
104 | 94 | 111 | 86 | 111 | 86 | 90 | 104 | 96 | 91 |
86 | 113 | 96 | 101 | 91 | 119 | 99 | 103 | 110 | 118 |
109 | 96 | 112 | 115 | 94 | 110 | 117 | 115 | 92 | 108 |
(a) Construct a grouped frequency distribution for the data. Use 85-89 for the first class and use the same width for each subsequent class.
Class | Frequency |
---|---|
85 - 89 | |
- | |
- | |
- | |
- | |
- | |
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(b) Which of the following is the correct histogram for this data?
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